Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Hope, Arkansas. NPDES permit AR0038466, in force until Feb 28, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 6 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 22.5 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 150.1 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 50.1 lb/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 100.1 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | 7-day average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | 7-day average | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Arsenic, total recoverable | 7-day average | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ 115.6 ug/L | all year | 001 |
| Zinc, total recoverable | 7-day average | ≤ 231.9 ug/L | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ 1.1 lb/d | all year | 001 |
| Copper, total recoverable | monthly average | ≤ 12.2 ug/L | all year | 001 |
| Copper, total recoverable | 7-day average | ≤ 24.4 ug/L | all year | 001 |
| Copper, total recoverable | monthly average | ≤ .12 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| E. coli | 30-day geometric mean | ≤ 630 #/100mL | all year | 001 |
| E. coli | 7-day geometric mean | ≤ 2050 #/100mL | all year | 001 |
| Mercury, total recoverable | monthly average | ≤ .013 ug/L | all year | 001 |
| Mercury, total recoverable | 7-day average | ≤ .027 ug/L | all year | 001 |
| Mercury, total recoverable | monthly average | ≤ .00013 lb/d | all year | 001 |
| Overflows | monthly total | report only (occur/mo) | all year | 001 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (gal) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 15 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 100.1 lb/d | all year | 001 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | > 100 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - P. promelas | 7-day minimum | > 100 % | all year | TX1 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Copper, total recoverable, 7-day average | 20.4 ug/L | tighter | 4.1 ug/L (7 values) | 0.201× |
| Copper, total recoverable, monthly average | 0.1 lb/d | tighter | 0 lb/d (7 values) | 0× |
| Copper, total recoverable, monthly average | 10.2 ug/L | tighter | 4.1 ug/L (7 values) | 0.402× |
| Zinc, total recoverable, 7-day average | 193 ug/L | tighter | — | — |
| Zinc, total recoverable, monthly average | 0.96 lb/d | tighter | — | — |
| Zinc, total recoverable, monthly average | 96.4 ug/L | tighter | — | — |
Cited limits by parameter: Arkansas's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AR0038466 · MCP: https://passage-data.com/mcp